recherché
adjective formal uk/rəˈʃeə.ʃeɪ/ us/rəˈʃer.ʃeɪ/
罕见的;难懂的;不可思议的
very unusual, not generally known about, and chosen with great care in order to make people admire your knowledge or style
a recherché word/topic 生僻词／冷僻的话题
a recherché menu 罕见的菜谱